Alarm apparatus



Nov. 11, 1930. Jl A. 130mm: i 1,781,096

ALARM APPARATUS Filed Jan. 11, 1926' 3 sheets-sheet 1 ,Qz /5L G? /55 :Eg Z, 25 l?,

,2 IIL m13 Zylhlj Z Nov. 11, 1930. J. A. BOLDUC 1,781,096

ALARM APPARATUS Filed Jan. 1l. 1926 5 Sheets-Sheet 2 INVENTOR @J1/sATTORNEY if ci @@M Nov. 11,1930. J. A. BQLDUC 1,781,096

ALARM APPARATUS Filed Jan. 11, 1926 5 Sheets-Sheet 3 IGNITION INVENTOR aMM M ATTORNEY Patented Nov. 11, 1930Y Pff-Afre1511:`A ortica JoseraARTHUR Bormio, or MONTREAL, QUEBEC, CANADA, assrGNoR fro' Au'roivio;

IBILIE, LOCK`-ALARM" NEW YORK Conroe-errori', or NEWQYORK. N; `Y1, AConroe/Arron oF ALARM APPARATUS;

Application led. January 11, 1926. Serial No. 80,403.

rllhis invention relates to, alarm apparatus, and more particular-ly to7an. apparatusk which is primariltyT intended' for application to motervehicles for the purpose of apprising the "i owner and others that anattempt is being circuit connected in the primary circuitv and;

having one or more-concealedl switches interposedA therein. whichl whenmomentarily closed; will' cause the: operation of the alarm, and'f saidcircuit alsoincludingmeans wher-ef' by the sounding oli the alarm wiltcontinue even: though` the switch be again opened. o

tzi'sone of' the importantv objects ofthe invention to provide` a.single manually operable part for operatingv` the makel and, brealdevice in the primary circuit toopenthe same', said-fpart forming apartot the alarm operat-y ing circuit` andi coactingf with keycontrolled means to cause a. breakV in said circuit. This l'rey actuatedmeans is so.y constructedand arrangedthatit is not necessary to: employthe key for closing the alarm. operating; circuit, t-lie use of the key'beingrequired only in orden` torelease said. manually operable part forthev urposel of opening the alarm circuit i andi closing the break:inthe primary circuit.

Et is4 another important object of the ini ventionitofprovide amakingandbreakingde.-

vice for tliealarm circuit as above reerredtO which. i's-v soconstructed, mounted and arranged. that after it has once been operated4by the push button or other manually operatedl to close thel circuit, itis impossible to open said circuit to. stop theV operationv of thewithout the use of the proper-:key

It may also provide an additional switchv for closingthe alarm` circuitoperated: upon? Vthe. insertion of the key to-fopen they-alarm, Cu?

cuit whereby said alarm device willg'be momentarily operated prior toopeningofitsA circuit, thus warning the owneneven though the proper keybe usedathatanattemptat theft ofthe vehicle is being made.

lVith the above and other objects in View, i

the inventiony consists in they improved alarm. apparatus, and in theform', construction. and` relative arrangement of its several part-,s1as willbe hereinafter more fully described, illus-l trateda'in theaccompanying drawings, and f substantially on theline` 2 2 of, Fig, 1^;

Fig. 3.isfa view similar to Fig.l 1 and showing the relative positionsolthe parts witht-h-e alarm circuit closed f Fig. 4 is a sectional' view:vtaken substanf Y tially on the line lc-4,otFig.4 3;.v y i Figo is ahorizontal section taken-on the line 5 5 of'Fig. 3;.

Fig. 6 isa similar section taken on theline (i4-Got Fig. 3; A Y

Fig. 7 is an enlarged detailV section of the: malte and breakdevice forthe alarm circuit; 8 is an elevation of a part of the dash-j board ofthe vehicle illustrating the arrangement of: the apparatus thereon g5Fig. 9 is a diagra-inmaticview'showingthe normal condition-When thevehicle is being operated' by the owner with? tlieprimary or ignitioncircuit closed', and

F'g, 21s ahorizontal sectional, View takenV Figs. 101` and ll' are;detail views of the;

i mi latter against the action ofthe springs 27.

to be mounted on the underside of.` the vefY Vhicle dashboardindicatedat AD in"Fig. 8 'of the'drawings, as shown more particularly vin Fthereof,V the'vwires` or other conducl vtors 1 and2 respectively,;inaybe yconnected s parts of the apparatus enclosedwithin suitable casing orhousing 3 which is adapted in any suitablemanner with -a plurality ofsuitablev switches Yconnected with variousV 10' partsy offjthevehicle,as for instance,ithefen- Y gine hood, doors,ibrakes or spare tire lock,

so that when any attempt is made tov disturb Y the normal Vcondition ofthe parts the switch Y' will be closed.

' y Sutably mounted one wallodfthe boX3 and.insulatedftherefroin thespaced-binding A 'conductor Sfextends from the postI 4 to the V'ignitionapparatus of the vehicle andis sub" sequently grounded. Aconductor' 9 iscon'-l nected tothe post v5 and to the .battery 10 and y thenceto theground. This v'conductor 9 has interposed therein the Vignition Yswitch.indicated at 11 and to said conductor at opposite sidesV of the switch11, the lines l1 and are 'lasl anfelectrilcally Voperated.horn 12iscon-i n n nected to the binding post 6 and to thefground V'po-stT-isjoined to theconductor 9 between An .audibleV signalling or alarm!"device such as at 13. A conductor 14 extending frointhe the battery10a-nd the ignitionjswitch 11.v

i ably guides amanually operable part 19 eX- K end of this part19Vhas`be'aring contact against the short arm 21'ofy an L shapedllev`er'22 #Upon the plate 1.5V suitably securedto the base wallV of theboX 3 an-'electromagnet 16V is mounted. Ajbracket'l is also fixed' tothe bOX wall and is provided with an angularly disposed apertured guidelug 18 whichslidtendingthroiigh an opening' 20 in one Side wall of thecasing or housing 3. The outer whichis pivoted as at 23'. Theother armof a this lever vis engaged by the inner end of a 45 j ing in thedashboardD of the vehicle. Y

push button 24 suitably mounted in an open- Within thecasingf or housing3 'spaced *Y plates v25 'andf`l261 respectively, are Vpivotally mountedfor swinging v movement and are yieldingly urged inV one Vvdirection bythesprings 27.11 Arsimilar plater 28 is'alsopivotally Amounted betweentherrplates 25- andj26 and carries a rod or bar/29 engagedwith one sideof the plates 25and'26 to'swing the The plate 25 .adj aceiit onev edgeis provided with a shoulder '3040i' a purpose which will belaterp0inted`out,lwhile the plate26 vis formed Yat its free end with an armorexten# sion 31y having Va sheet ofinsulatingmate# rial 32 Secured uponone side thereof. This arm is adapted for engagement in a notch orrecess 34 formed inanupstanding flange 33 on the part 19 so that theshouldersin the oppositeends oit' recess'will engage redges of the metalarm31. f Y. To the vbinding post 4 a resiliently yieldable'conductorbar` 35 is connected and is pro-V vided witha contact 36 adapted toengage a conductor and breakthe connectionbetween switch 11.A I Y y l, Iy

4Spaced binding posts 40 and41 are mount` ed on the plate 15, the post40 having a con.- nectioni42 with `the 'conductor 38 anda con nection 43with thev winding ofthe electro magnet 16. The post 41 is connected byay Ywire 44 with'the hinged orrpivoted plate' 26.

Inv asuitable'bracket 45 insulated from the`A plate `A15 lanadjustablescrew vor -p'in 46 mounted for engagement by a resilientA metal strip4'A-toiwhich ,an varmature 48is liXed yat vone of its ends, the'otherend oisaid ar.-

ductor with the binding post 6. `The remaining binding post 7 isVconnected by. coiiductoi" 51 withv a contact?J opposed to the Contact49.Vv

The part 19 is normally urgd in Oh reotion to anormal positioiibyacoilfspring v53, in'which position of saidA parts, contacts 36n and 37are engaged for closing the igni'-; tion circuit.

For the purpose of operating theplat'es 25l and l26 to permit thereturnof said-part to its normal positi-onand the breaking of the alarmcircuit at thecontacts 49 1 and 52,1 provide a pin tumblerlock 54 'so Y'9o J mature being provided ,withv a' contact pin 49 jninsulateditherefrom and connected by con-Q of any conventional typesuitably mounted in the dashboard` D of the .vehicle andV havingitsbarrel connected by arrod 55V with the intermediate".pivoted or hingedvplateY 28./

Thus, it willvbe app-arent that upon, the in'-y sertion of theproper keyand Ythe rotation of the lock'barrel .the plates 25 and 26 may be moved'with respect to'` the-partVV 19y so,y Vasl to di'sengage shoulder 30Vrom; theend of the armature and 'the a`rmg31 of;.1plate V26 from thenotch 34 of the partrv 19. f' .a

'As shown kin Figs. 10` and 11 of thedraw ings, I maygprovide Van`additional switch connected inthe lines 1 and Qand closed by the'lockkey 56 so as to momentarilyclose the alarm circuit when thelrey .isinserted and beforeV Yrotating Y the lock.y barrel.v y As` shown,thrisvs'witchA may'flconsist of opposedv 'p fixed and movable contacts57 and 58 respec-V tively, the'contactf58 being resiliently held inanormal open position ian-d provided with' -a pinror stud 59-movablethroughv an Vopening inl the wall of thelockv Caseland normallyprojecting into the :key passage-of-the lock barrel Y Thus, this pinorstud will lock the Gui Cil

the proper key 56 is inserted, the pin e59 will he forcedoutwardly,thereby engaging ,con-y tact A58 with the contact 57V andl closing thecircuit so that the alarm device'12 will be sounded in a manner whichT'shall now eX- p'lain.

ln the normal operation of the vehicle equipped. with my newalarmapparatus,.the parts are in-the relative positions' shown in Fig. 9of the drawings, with the contacts 86 and 87 engaged with each otherwhile v.the insulation 32 on therarm 31 of the hinge plate 2G isengagedwiththe part 19. Thus, when the'ignition switch'll is closed inthe usualway, the current flows from battery A 10 through conductor 9 to the post5 and along the conductor 1 38 through contacts 36 and 37 and conductorbar 35 and post 4 and hence through conductor 8 to the ignitionapparatus and from the latter tothe ground.

lVhen the owner or operator of the vehicle leaves the same unattended,he merely 'pus ies upon the button 24, and thereby rocks lever 22 toforce the part 19 inwardly. TheA end of this part bearing against thelug 39 `disengages contact 36'from the contact 37 and thereby breaks theignition circuit independently of the switch 11. At the same time, thenotch 34 in the iiange of said part 19 moves beneath the arm 31 of plate26 and this arm is urged downwardly into said notch by the spring 27 sothat the opposite'end edges of the notch are engaged with the side edgesof said arm. The parts are now in the position shown in Fig. 1 of thedrawings. Should the ignition switch 11 now he closed in the attempt byone contemplating the theft of the machine to operate the same, thecurrent will flow from the bat tery along the conductor 9 to the post 5and fie conductor .38 to the post 40 through con- .uctor 43 and thewindings'of the magnet 16 to the screw along the strip 47 to the post41, thence along conductor 44 to plate 26 through part 19 to hraclret 17and the wall of the casing or housing to the ground. Thus a circuitenergizing the magnet 16 is completed whereupon the armature 48 isattracted to engage contact 49 with contact 52, the armature heinglocked in such position by plate 25, the shoulder o0 of which dropsbehind the end of the armature. This condition of the parts is shown inFig. 3 of the drawings, and in such movement thereof strip 47 isdisengaged. from the screw or pin 46 and the current from the batterynow flows through conductor 14,

post 7, conductor 51, contacts 52 and 49 and conductor to post 6 andhence to the grounded horn 12 or other sounding device. It will heobserved that such circuit is entirely independent of the ignitionswitch 11 so .that if ythis"switch ihex` again opened, (the. horn willnevertheless, continue Atosound. The same. .condition willV ,obtain4 inthel eventi that .any one of the .other switches interposed in the lines.1 and 2 is opened and thenlsubsequentiyclosed. In orderto stop .theoperation of the alarm, the 'proper key is inserted inthe,

lock and 4the lock barrel given a half turn, tlierehydisengaging .partsror latching devices 25 -and26 from .the armature48 `:and vpart 19 re'specti-vely. AThe spring 5,3 thereupon retracts;

and :returns saidv pant to its :normal position i while fthe contact 3&6again (engages :the contact 37 .to close .the ignition circuit. BeforeWithdrawing the key, the rotation of the lock lbarrel is reversed, thuspermitting the springs 27 to actupon plates '25 and 26until theinsulation 32 of the latter .plate engages upon the part 19.; J

From .the foregoing, it will he seen ythat .I have materially improvedVthe .apparatus shown in .my former application .and have eliminated thenecessityxof Ausing the key in order to place .the parts in condition to'close the alarm circuit, suchfoperation heingin, stantly performedmerely by the pressure of the nger upon the push button 24. Since lmount the entire apparatus. upon the 4under,

sidek of the dashboard, it isentir-ely inaccessi-y ble `and byingeniously concealing the various switches,it becomes practicallyimpossible for one contemplating theft of .the vehicle to ac* oomplishhisl purpose without operation Of the audible signalling device. vWhileI have particularly referred to the alarm apparatus as intended for usein connection with motor vehicles, it is possible that the essentialfeatures of the invention might also :be .advantageously employed invarious Lother connections and for different purposes. Accordingly, itis to he understood vthat I Areserve the 4privilege of adapting thedev-ice to such other uses and also the right .ofincorporating the novel=features 'thereof Vin various vother V'alternative structures .andadopting all suchleg-itimate modifications in the form, construction`anc relative arrangement of the several parts as may be fairly.embodiedwithinthe spiritrand scope ofthe invention as claimed.

l claim:

, 1. An alarm .device for motor vehicles comprising a circuit includinga ,source of current, a normallyV open manually operable switch, anormally closed switch carrying `an armature, a magnet adjacent thelast-named switch to :be energized upon closing .the circuit to attractsaid armature and open the latter -switch,.a second normally open switchin the circuit connected with the first-named .switch `and in-.y

clu-din-g .a part .supported for rectilinear slidalarm and .the sourcelof current anda circuit y closer .engage-able by .the 1 :armature to'be moved .to closed positionupon energizati-on .of the magnet, anignition circuit includlng the source current, the VVVfirstnamed switch,and i a second normally closed ,switch having a member :tobe engaged: byy said slidable lpart' i Vandactuatedto. openposition .by movement ofsaidslidablev partiin the: first circuit ltoits closed position,manually Operable rmeans 'corA acting withl said slidable 'part tomovethe same to circuit closing position, locking parts l l to hold saidslidableipart, and means to'with.

draw the locking 'parts to release said slid-y able rpart for movementback to open position.

j 2.r vAn alarm devicefor motor vehicles com.-prisingfakcircuitincluding'a sourcefof current, a normally openmanuallyf operable switch, Aa lnormally closed switch' carrying i an Yarmature, afmagnet'adjacent the last-named.y

Vswitch to be energi'zedupon closing the cir-V;V

cuit to attract said armature' and-open'. the latter switch, a secondnormally open switch inthecircuit connected with the iirstfnamedv switchand including a part' supported for rectilinear sliding movement, asecond circuit includingan alarmand the Lsource of currentv and acircuitacloser engageable by the armature .to be moved to closedposition upon en-v ergization` of the magnet,r an ignition circuit Yincluding' thevsource of current, the firstnamediswitch, andv a secondnormally closed switch havinga member to be engaged by said slidablepart andfactuated to open position by movement of said slidable partinthe yfirst ciry cuit to its closedposition, a pivoted'lever havingfanarmengaging rone end of saidvslidable part, andV aV manually operable pushAbutton engaging apart o'f'saidlever to actuate the same and `movesaidpart to its circuit closing position, locking parts to hold .saidslidable part, and means to withdraw' the locking parts to 'release'said slidingpart for move ment back to open position.l

3.1An alarm device for motor vehicles coinprising a circuit includingasource of current,

a normally open manually operableswitch, a y

normally closed switchc'arryingan armature, a magnet adjacent'thelast-namedv switch to be' energized .upon closing the circuitfto nattract the armature and open the latter switch', a second normallyopenswitch in the circuit connected with the irst-named switch and in-.Y cluding a conductor supported for rectilinear sition,v latchingdevices fo'r Vmaintaining the conductor insaidposition, andmeans for refleasing thelatchingmeans so that'the slidable .conductor can be movedback to open posi'- Analarm device for motorvehiclesco'm- Apri'singacircuit including a'v source of current, a-norma'lly open manuallyoperableQ switch; ainorma'lly lclosed switch carrying an armature, amagnet` adj acent'ithe 'last-named Y switch to be' energized uponclosing the circuit'v to attract the armature and open Vthe latterswitch,r a secondnormally open switch in the circuit connected with'theiirstnamed switch i 'n and including a conductorsupp-ortedforrectilinear slidingv movemendand a spring yieldc ingly-holding ,theconductor in its open -cirv cuit position, push button' operatedmeansfor A moving said conductor 'toi its :circuit closing position, a secondcircuit including an alarm `and, the source of current anda circuitcloser engageable: by the armature to 1 be moved-tof closed position.`upon the'energization of the magnet, an ignitionv circuitnincludingv'the source'otcurrent, the virst-nained switch and second'normally closed switch having a JOSEPH ARTHUR BoLDUo.

ioor

sliding Vmovement, and a springy yieldingly holding the conductor initsopen circuit position, push button operated means for moving saidconductor to its circuit closing position, a second circuit including analarm rand the source ofcurrent and'fafcircuitcloser engageable by theAarmature to be moved to closed pov sition upon energization of themagnet, an'ignition circuitincluding thesource ofj current, theirst-named switch anda second normally closed vswitch having a movableelement, one; end of said conductorbeing directly engaged j with themovable element of said switch to movefthefjsame to" open position whenthe Aconductor is VIiiovedgto its ycircuit closing pof Y iso en k

